Bloodstream infections in hospitalized adults with dengue fever: Clinical characteristics and recommended empirical therapy

Ling Shan Syue, Hung Jen Tang, Yuan Pin Hung, Po Lin Chen, Chia Wen Li, Ming Chi Li, Pei Fang Tsai, Ching Chuan Liu, Nan Yao Lee, Wen Chien Ko

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Abstract

Background: Dengue is an important mosquito-borne tropical viral disease and dual infection, though rare, has been regarded as a risk factor for severe disease and mortality. However, few studies focused on bloodstream infections (BSIs) and empirical antibiotic therapy rarely addressed. Methods: Dengue patients with concurrent or subsequent BSIs between July 1 and December 31, 2015 were included. Clinical information, laboratory data, and drug susceptibility data were collected. Results: Totally 80 patients, with an in-hospital mortality rate of 32.5%, were included and categorized into three groups. 32 patients in Group I (BSI onset within 48 h after admission), 32 in Group II (between 48 h and one week), and 16 in Group III (more than one week). Patients in Group I were older (mean age: 75.6 vs. 72.6 or 69.6 years; P = 0.01) and had a higher Charlson comorbidity index (3.1 vs. 1.8 or 1.9; P = 0.02) than those in Group II or III. Streptococcus species (28.9%, 11/38) and Escherichia coli (23.7%, 9/38) were major pathogens in Group I. Enterobacteriaceae (38.2%, 13/34) isolates predominated in Group II. Fatal patients more often received inappropriate empirical antibiotic than the survivors (61.5% vs. 35.2%; P = 0.03). According to susceptibility data, pathogens in Group I and II shared similar susceptibility profiles, and levofloxacin, cefepime, or piperacillin/tazobactam, can be empirically prescribed for those hospitalized within one week. Conclusions: BSI pathogens vary among dengue patients. For adults with dengue and suspected BSI hospitalized within one week, empirical antimicrobial agents are recommended.

Original languageEnglish
Pages (from-to)225-232
Number of pages8
JournalJournal of Microbiology, Immunology and Infection
Volume52
Issue number2
DOIs
Publication statusPublished - 2019 Apr

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All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology and Microbiology(all)
  • Microbiology (medical)
  • Infectious Diseases

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